julienika.cz
Free web tools and calculators.
Fraction Calculator
Add, subtract, multiply, or divide fractions and mixed numbers, with the full working shown.
Yarn & Gauge Tools
Yarn weight chart, crochet hook and knitting needle size converters, and a gauge calculator.
Sourdough Calculators
Hydration, baker's-percentage recipe scaling, and starter feeding calculators.
Clay Shrinkage Calculators
Pottery and ceramics: shrinkage percentage, predicted fired size, and target wet size.